JPS5541829B2 - - Google Patents
Info
- Publication number
- JPS5541829B2 JPS5541829B2 JP5499572A JP5499572A JPS5541829B2 JP S5541829 B2 JPS5541829 B2 JP S5541829B2 JP 5499572 A JP5499572 A JP 5499572A JP 5499572 A JP5499572 A JP 5499572A JP S5541829 B2 JPS5541829 B2 JP S5541829B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0536—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for maintaining flanges on tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Optics & Photonics (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3681235D US3681235A (en) | 1971-03-11 | 1971-03-11 | Internal precipitation of phosphate from activated sludge |
| CH538999D CH538999A (de) | 1971-03-11 | 1972-04-28 | Belebtschlammabwasserreinigungsverfahren |
| DE2221498A DE2221498C3 (de) | 1971-03-11 | 1972-05-02 | Belebtschlammabwasserreinigungsverfahren |
| BE783303A BE783303A (fr) | 1971-03-11 | 1972-05-10 | Procede de traitement aux boues activees des eaux usees. |
| FR7217023A FR2183605B1 (US08197722-20120612-C00042.png) | 1971-03-11 | 1972-05-12 | |
| CA142,492A CA964775A (en) | 1971-03-11 | 1972-05-18 | Internal precipitation of phosphate from activated sludge |
| GB2380272A GB1368874A (en) | 1971-03-11 | 1972-05-19 | Precipitation of phosphate from activated sludge |
| ZA723482A ZA723482B (en) | 1971-03-11 | 1972-05-22 | Internal precipitation of phosphated from activated sludge |
| NL7207517A NL168476C (nl) | 1971-03-11 | 1972-06-02 | Werkwijze om rioolwater te zuiveren. |
| JP5499572A JPS5541829B2 (US08197722-20120612-C00042.png) | 1971-03-11 | 1972-06-02 | |
| US363498A US3913819A (en) | 1972-06-02 | 1973-05-24 | Apparatus for tack welding of flange |
| IT24744/73A IT988739B (it) | 1972-06-02 | 1973-05-29 | Apparato per la saldatura prov visoria di flange |
| BE2052814A BE800230A (en) | 1971-03-11 | 1973-05-30 | Flange alignment/welding assembly - for spot-welding flanges to pipes |
| BR407873A BR7304078D0 (pt) | 1971-03-11 | 1973-05-31 | Aparelho para soldagem por pontos de uma flange a uma extremidade de um cano |
| FR7320247A FR2186319B1 (US08197722-20120612-C00042.png) | 1972-06-02 | 1973-06-04 |
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12330971A | 1971-03-11 | 1971-03-11 | |
| CH637272 | 1972-04-28 | ||
| DE2221498A DE2221498C3 (de) | 1971-03-11 | 1972-05-02 | Belebtschlammabwasserreinigungsverfahren |
| BE783303A BE783303A (fr) | 1971-03-11 | 1972-05-10 | Procede de traitement aux boues activees des eaux usees. |
| FR7217023A FR2183605B1 (US08197722-20120612-C00042.png) | 1971-03-11 | 1972-05-12 | |
| CA142,492A CA964775A (en) | 1971-03-11 | 1972-05-18 | Internal precipitation of phosphate from activated sludge |
| GB2380272A GB1368874A (en) | 1971-03-11 | 1972-05-19 | Precipitation of phosphate from activated sludge |
| ZA723482A ZA723482B (en) | 1971-03-11 | 1972-05-22 | Internal precipitation of phosphated from activated sludge |
| JP5499572A JPS5541829B2 (US08197722-20120612-C00042.png) | 1971-03-11 | 1972-06-02 | |
| NL7207517A NL168476C (nl) | 1971-03-11 | 1972-06-02 | Werkwijze om rioolwater te zuiveren. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4923449A JPS4923449A (US08197722-20120612-C00042.png) | 1974-03-01 |
| JPS5541829B2 true JPS5541829B2 (US08197722-20120612-C00042.png) | 1980-10-27 |
Family
ID=27579008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5499572A Expired JPS5541829B2 (US08197722-20120612-C00042.png) | 1971-03-11 | 1972-06-02 |
Country Status (11)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR18849A (tr) * | 1974-06-21 | 1977-11-01 | Union Carbide Corp | Pis sulardan fosfat ayrilmasi |
| JPS5210842A (en) * | 1975-07-15 | 1977-01-27 | Sumitomo Electric Industries | Welding nozzie electrode |
| JPS5280660A (en) * | 1975-12-26 | 1977-07-06 | Nishihara Kankiyou Eisei Kenki | Method of purifying sanitary sewage |
| CH621751A5 (en) * | 1976-09-24 | 1981-02-27 | Attisholz Cellulose | Process for the biochemical purification of waste water containing organic constituents which favour the undesirable development of filamentous bacteria and/or the formation of bulking sludge |
| US4173531A (en) * | 1977-11-23 | 1979-11-06 | Union Carbide Corporation | Nitrification-denitrification of wastewater |
| US4183808A (en) * | 1977-11-23 | 1980-01-15 | Union Carbide Corporation | Phosphate removal from wastewater |
| US4956094A (en) | 1988-12-22 | 1990-09-11 | Biospherics Incorporated | Enhanced phosphate removal from bod-containing wastewater |
| US5182021A (en) * | 1991-12-16 | 1993-01-26 | Lehigh University | Biological process for enhanced removal of ammonia, nitrite, nitrate, and phosphate from wastewater |
| WO2008024445A2 (en) | 2006-08-23 | 2008-02-28 | Siemens Water Technologies Corp. | Sequencing batch reactor with continuous membrane filtration and solids reduction |
| RU2587181C1 (ru) * | 2014-12-22 | 2016-06-20 | Акционерное общество "Институт МосводоканалНИИпроект" | Способ биологической очистки сточных вод от соединений фосфора |
| CN105800897B (zh) * | 2016-05-11 | 2018-10-02 | 合肥工业大学 | 一种利用零价铁强化剩余污泥和秸秆快速固态厌氧消化的方法 |
| AU2017339955A1 (en) * | 2016-10-05 | 2019-04-11 | Nutrient Recovery & Upcycling, Llc | Wastewater treatment with customized phosphate control |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386910A (en) * | 1965-05-25 | 1968-06-04 | Fmc Corp | Process for treatment of sewage and nutrient removal |
| US3480144A (en) * | 1968-05-03 | 1969-11-25 | Us Interior | Process for removing phosphorus from waste water |
-
1971
- 1971-03-11 US US3681235D patent/US3681235A/en not_active Expired - Lifetime
-
1972
- 1972-04-28 CH CH538999D patent/CH538999A/de not_active IP Right Cessation
- 1972-05-02 DE DE2221498A patent/DE2221498C3/de not_active Expired
- 1972-05-10 BE BE783303A patent/BE783303A/xx not_active IP Right Cessation
- 1972-05-12 FR FR7217023A patent/FR2183605B1/fr not_active Expired
- 1972-05-18 CA CA142,492A patent/CA964775A/en not_active Expired
- 1972-05-19 GB GB2380272A patent/GB1368874A/en not_active Expired
- 1972-05-22 ZA ZA723482A patent/ZA723482B/xx unknown
- 1972-06-02 NL NL7207517A patent/NL168476C/xx not_active IP Right Cessation
- 1972-06-02 JP JP5499572A patent/JPS5541829B2/ja not_active Expired
-
1973
- 1973-05-31 BR BR407873A patent/BR7304078D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2221498C3 (de) | 1980-06-26 |
| BR7304078D0 (pt) | 1974-08-15 |
| DE2221498A1 (de) | 1973-11-15 |
| NL7207517A (US08197722-20120612-C00042.png) | 1973-12-04 |
| CH538999A (de) | 1973-08-31 |
| ZA723482B (en) | 1973-03-28 |
| BE783303A (fr) | 1972-09-01 |
| CA964775A (en) | 1975-03-18 |
| JPS4923449A (US08197722-20120612-C00042.png) | 1974-03-01 |
| FR2183605A1 (US08197722-20120612-C00042.png) | 1973-12-21 |
| FR2183605B1 (US08197722-20120612-C00042.png) | 1977-06-17 |
| US3681235A (en) | 1972-08-01 |
| DE2221498B2 (de) | 1979-03-15 |
| NL168476C (nl) | 1982-04-16 |
| GB1368874A (en) | 1974-10-02 |
| NL168476B (nl) | 1981-11-16 |
